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Electrical Connection; Safety Instructions Relating To The Electrical Connection; Terminal Box - Siemens 1LA8 Operating Instructions Manual

Simotics tn series induction motor.
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Electrical connection

When carrying out any work on the machine, observe the general safety instructions
(Page 15) and the specifications contained in EN 50110‑1 regarding safe operation on
electrical equipment.
Service Center
If you require support when electrically connecting up the machine, please contact the Service
Center (Page 137).

Safety instructions relating to the electrical connection

Connected parts can loosen
If you use fixing elements made from the wrong material or apply the wrong tightening torque,
this could impair current transfer or cause connecting parts to become loose. This could result
in material damage to the machine or even in total failure, which could in turn lead indirectly
to material damage to the system.
● Tighten the screwed connections to the specified tightening torques.
● Observe any specifications regarding the materials from which fixing elements must be
● When performing servicing, check the fastenings.
See also
Tightening torques for screw and bolt connections (Page 139)

Terminal box

Depending on the version, different terminal boxes may be installed on the machine.
Depending on the terminal box, different cable entries and options for the cable connection
are possible. You can identify the terminal box installed on the machine via the illustrations in
the following chapters.
Terminal box GT640 (Page 60)
Terminal box 1XB1621 (Page 60)
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 05/2016


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